Code:
#=============================================================================
# *** Aleworks Bitmap(ABMP)
#=============================================================================
# Created by Aleworks(vgvgf)
# Version: 1.00
# Last Modification: 21/04/2007 (day/month/year)
#=============================================================================
#==== Description ====
# This script allows to save a bitmap file(bmp) from the RGSS Bitmap class image.
#=============================================================================
#=============================================================================
#==== Classes & Methods ====
# * Module ABMP
# - Methods
# - ABMP.save(bmp, filename[, background_color[, prevent_hang_up]])
# Saves the 'bmp' image to the filename file. Filename needn't have
# the .bmp extension. If background_color is a Color class, then the saved
# bitmap will have the given color. If it's not given will be nil.
# If prevent_hang_up is true, the script will call Graphics.update each
# 6 seconds aproximately for preventing the game to close by hang up. If
# it is not given, it will be true. You can add a block to the method, that
# will return the completed porcentage of the proccess.
# Note: bitmap images don't support transparency, so all colors that
# have transparency will be writed with full opacity. Also, this is a very
# time consuming method so avoid using it constantly.
# - check_hang_up
# Called internaly for checking if the Graphics need to be updated.
#=============================================================================
#=============================================================================
# ** Module ABMP
#=============================================================================
module ABMP
#---------------------------------------------------------------------------
# * ABMP.save
#---------------------------------------------------------------------------
def self.save(bmp, filename, background_color = nil, prevent_hang_up = true)
if File.extname(filename) != '.bmp'
filename += '.bmp'
end
if !background_color.nil?
temp_bmp = bmp.clone
rect = Rect.new(0, 0, temp_bmp.width, temp_bmp.height)
bmp = Bitmap.new(temp_bmp.width, temp_bmp.height)
bmp.fill_rect(rect, background_color)
bmp.stretch_blt(rect, temp_bmp, rect)
temp_bmp.dispose
Graphics.update if prevent_hang_up
end
file = File.open(filename, 'wb')
file.write('BM')
file.write([54 + (bmp.width * bmp.height * 24) / 8].pack('L'))
file.write('ABMP')
file.write([54].pack('L'))
file.write([40].pack('L'))
file.write([bmp.width].pack('L'))
file.write([bmp.height].pack('L'))
file.write([1].pack('L')[0, 2])
file.write([24].pack('L')[0, 2])
file.write([0, 0, 0, 0, 0, 0].pack('L6'))
null_spaces = 0
if bmp.width / 4 != bmp.width / 4.0
if (bmp.width + 1) / 4 == (bmp.width + 1) / 4.0
null_spaces = 1
elsif (bmp.width + 2) / 4 == (bmp.width + 2) / 4.0
null_spaces = 2
elsif (bmp.width + 3) / 4 == (bmp.width + 3) / 4.0
null_spaces = 3
end
end
time = Time.now
last_porcentage = -1
for y in (-bmp.height + 1)..0
line = ''
for x in 0...bmp.width
color = bmp.get_pixel(x, y.abs)
line += [color.blue.to_i].pack('L')[0, 1]
line += [color.green.to_i].pack('L')[0, 1]
line += [color.red.to_i].pack('L')[0, 1]
time = self.check_hang_up(time) if prevent_hang_up
if block_given?
porcentage = (((y + bmp.height) * bmp.width + x)) * 100
porcentage /= bmp.height * bmp.width
if porcentage > last_porcentage
yield porcentage
last_porcentage = porcentage
end
end
end
file.write(line)
time = self.check_hang_up(time) if prevent_hang_up
end
file.close
end
#---------------------------------------------------------------------------
# * check_hang_up
#---------------------------------------------------------------------------
module_function
def check_hang_up(time)
if time.sec <= Time.now.sec - 6 or time.min != Time.now.min
Graphics.update
return Time.now
end
return time
end
end
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